/*
ehs
FlickrPrivacySettingsRetriever
- Retrieves privacy settings for images thumbnailed at the given URL.
- Calls back given function with retrieved privacy settings as { photo-id: "pubic"|"private" }

WANT TO SUPPORT
---------------	
~ photostream
flickr.com/photos/<name-or-id>[/]
flickr.com/photos/<name-or-id>/page#[/]
flickr.com/photos/<name-or-id>/with/<photo-id>[/]
~ sets
flickr.com/photos/<name-or-id>/sets[/]
flickr.com/photos/<name-or-id>/sets/<set-id>[/]
~ collections
flickr.com/photos/<name-or-id>/collections[/]
flickr.com/photos/<name-or-id>/collections/<collection-id>[/]

MAYBE LATER
-----------
~ inidividual photo page (ajax thumbnails)
flickr.com/photos/<name-or-id>/<photo-id>[/]
flickr.com/photos/<name-or-id>/<photo-id>/in/set-<set-id>[/]
~ misc
flickr.com/photos/<name-or-id>/<photo-id>/in/pool-<pool-id>
galleries?

*/

// url - a string URL
// callback - function taking one argument, an anonymous object with members names corresponding to photo
//            ids and member values of either "public" or "private"
function FlickrPrivacySettingsRetriever(url, callback)
{

}